Reduce use of named arguments.

From named arguments help,

"Since named arguments involve a slight amount of extra overhead, one should avoid them in code that is highly cpu intensive due to being called many many times. Otherwise, code clarity may be a bigger priority. "

From https://privatepaste.com/42c9f90243 (sorry don't have our server profile),
/mob/living/carbon/human/proc/handle_regular_hud_updates 20.993 41.350 41.352 72152